Blendoor acuator

2000 GMC SIERRA
200,000 MILES • 0.5L • V8 • 4WD
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STEPH SMITH
  • MEMBER
  • 1 POST
What is the proper selector switch position before new install?
Dec 4, 2016 at 8:03 AM
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WRENCHTECH
  • CAR REPAIR CONTRIBUTOR
  • 20,761 POSTS
There is no proper switch position. You should not turn the key on before it is installed. Once it is powered up and will go through a calibration where it looks for the stops at both ends to calibrate position.
Dec 4, 2016 at 8:16 AM
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